#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>



int main()
{
	pid_t id =fork();
	if(id == 0)
	{
		//child
		int count =5;
		while(count)
		{
			printf("我是子进程，我正在运行: %d\n",count);
			sleep(1);
			count--;

		}
	}
	else
	{
		while(1)
		{

			printf("我是父进程，我正在运行...\n");
			sleep(1);

		}
	}
	//printf("我是一个进程：pid: %d\n",getpid());

	//int x;
	//	scanf("%d",&x);


	//while(1)
	//{
	//		printf("hello world\n");
	//}
	return 0;
}
